user_ele = ("class name", "el-input__inner")
pwd_ele = ("class name", "el-input__inner")
lo_btn = ("xpath", "//*[text()='登录']")
u_btn = ("class name","layout-columns")
userGroup_ele = ("xpath", "//*[text()='用户分组']")
add_group_ele = ("xpath", "//*[text()='添加分组']")
input_group_ele = ("class name", "el-input__inner")
accept_ele = ("class name", "el-button")



delete_ele = ("xpath", "//*[text()='删除']")
ele_accept_ele = ("class name", "el-button")